CEI
From Wikipedia, the free encyclopedia
CEI may stand for:
- IATA airport code for Chiang Rai International Airport
- Conferenza Episcopale Italiana
- Central European Initiative
- Cleveland Electric Illuminating Co.
- Common Electrical Interface, a hardware interoperability agreement defined by the Optical Internetworking Forum
- Competitive Enterprise Institute
- Cycle Engineers' Institute, a screw thread pattern (see British Standard Whitworth, which includes information on topic)
- Chief Executive Instruction
- Component Engineers Inc.
- Construction Engineering Inspection